Our Data Sources
9, Castleton Avenue, Treorchy has a single entry in the Land Registry from October 2010 and a single entry in the EPC database dated September 2019.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 9, Castleton Avenue, Treorchy would be worth £202,604, with a potential rental value of £1,085 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £179,449, with a rental value of £961 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
9, Castleton Avenue, Treorchy occupies a 445 m2 plot as recorded by HM Land Registry.
Of the 30 other houses in this postcode, 27 have recorded plot sizes, and this one ranks as the 7th largest.
Energy Efficiency
9, Castleton Avenue, Treorchy has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 05 Sep 2019.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
9, Castleton Avenue, Treorchy last changed hands on 29th October 2010, selling for £87,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 92.1% since October 2010.
- Sold Oct 2010£87,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 12 sales of comparable properties within 1.5 kilometres of 9, Castleton Avenue, Treorchy since 2012.
Most recently, 24, St. Albans Road, Treorchy, CF42 5DD, a freehold house, sold at £165,000 on the 6th February 2026.
Read more about house prices in CF42.
- Sold Feb 2026£165,000 | 4 Bed House24, St. Albans Road, Treorchy, CF42 5DD24, St. Albans Road, Treorchy, CF42 5DD
- Sold Mar 2025£270,000 | 4 Bed House12, Blaenrhondda Road, Treorchy, CF42 5SP12, Blaenrhondda Road, Treorchy, CF42 5SP
- Sold Oct 2024£182,000 | 4 Bed House182, Dumfries Street, Treorchy, CF42 5PN182, Dumfries Street, Treorchy, CF42 5PN
- Sold Oct 2024£195,000 | 4 Bed House158, Bute Street, Treorchy, CF42 5PE158, Bute Street, Treorchy, CF42 5PE
- Sold Dec 2023£164,000 | 4 Bed House21, St. Albans Road, Treorchy, CF42 5DD21, St. Albans Road, Treorchy, CF42 5DD
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £152,365, ranging from £119,013 to £208,095.
- 10 Castleton Avenue
4 Bed House | 6 m | Est. Value: £161,093
- 8 Castleton Avenue
3 Bed House | 10 m | Est. Value: £128,752
- 11 Castleton Avenue
4 Bed House | 15 m | Est. Value: £183,547
- Fernhill House
5 Bed House | 17 m | Est. Value: £208,095
- 7 Castleton Avenue
3 Bed House | 18 m | Est. Value: £152,705
Location Comparison
Our analysis of the public data ranks 9, Castleton Avenue, Treorchy as the 5th largest and the 5th most expensive of the 30 addresses on Castleton Avenue, Treherbert, Treorchy, CF42.
Against the CF42 postcode district average, it is £39k more expensive than the typical property.
More reading links
Schools Nearby
Public Transport Nearby
- Treherbert|1.6 km away
- Ynyswen|2.8 km away
- Treorchy|4.2 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
